1. Nuclear Medicine Service–PET Unit, S. Maria della Misericordia Rovigo Hospital, Istituto Oncologico Veneto (IOV), Rovigo, Italy.
2. Department of Special Surgery, University of Padova, Padova, Italy.
3. Nuclear Medicine Service, Azienda Ospedaliera di Padova, Padova, Italy.
4. Nuclear Medicine Service, Department of Veterans Affairs Health System, Ann Arbor, Michigan.